490588040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{743}}^1\times {\mathrm{971}}^1$

素因数の和:1742

約数の個数: 64

約数和(自身を含む): 1171532160

約数和(自身を除く): 680944120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 743, 971, 1486, 1942, 2972, 3715, 3884, 4855, 5944, 7430, 7768, 9710, 12631, 14860, 16507, 19420, 25262, 29720, 33014, 38840, 50524, 63155, 66028, 82535, 101048, 126310, 132056, 165070, 252620, 330140, 505240, 660280, 721453, 1442906, 2885812, 3607265, 5771624, 7214530, 12264701, 14429060, 24529402, 28858120, 49058804, 61323505, 98117608, 122647010, 245294020, 490588040]

約数ペア:

[(1, 490588040), (2, 245294020), (4, 122647010), (5, 98117608), (8, 61323505), (10, 49058804), (17, 28858120), (20, 24529402), (34, 14429060), (40, 12264701), (68, 7214530), (85, 5771624), (136, 3607265), (170, 2885812), (340, 1442906), (680, 721453), (743, 660280), (971, 505240), (1486, 330140), (1942, 252620), (2972, 165070), (3715, 132056), (3884, 126310), (4855, 101048), (5944, 82535), (7430, 66028), (7768, 63155), (9710, 50524), (12631, 38840), (14860, 33014), (16507, 29720), (19420, 25262)]